Home / 22,502.72-31,055.57-12,432.04

Finding the Fourth Proportional to 22,502.72, 31,055.57 and 12,432.04

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Solution

The fourth proportional to 22,502.72, 31,055.57 and 12,432.04 is: 17,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502.72 : 31,055.57 = 12,432.04 : x
  2. Step 2: Convert to fraction form
    22,502.72/31,055.57 = 12,432.04/x
  3. Step 3: Cross multiply
    22,502.72x = 31,055.57 × 12,432.04
  4. Step 4: Simplify right side
    22,502.72x = 386,083,948.66
  5. Step 5: Solve for x
    x = 386,083,948.66/22,502.72
  6. Step 6: Final answer
    x = 17,157.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.